53890620 has 48 divisors (see below), whose sum is σ = 172451328. Its totient is φ = 12317760.

The previous prime is 53890619. The next prime is 53890637. The reversal of 53890620 is 2609835.

It is a happy number.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63736 + ... + 64575.

It is an arithmetic number, because the mean of its divisors is an integer number (3592736).

Almost surely, 2^53890620 is an apocalyptic number.

It is an amenable number.

53890620 is an abundant number, since it is smaller than the sum of its proper divisors (118560708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53890620 is a wasteful number, since it uses less digits than its factorization.

53890620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128330 (or 128328 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 53890620 is about 7341.0230894610. The cubic root of 53890620 is about 377.7209384561.

The spelling of 53890620 in words is "fifty-three million, eight hundred ninety thousand, six hundred twenty".